package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo1 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
//        Class.forName("com.mysql.cj.jdbc.Driver");
//        Connection connection= DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true","root","root");
//        Statement statement=connection.createStatement();
//        Scanner sc = new Scanner(System.in);
//        System.out.println("请输入用户名：");
//        String username = sc.next();
//        System.out.println("请输入密码：");
//        String password = sc.next();
//        System.out.println("请输入昵称：");
//        String nickname = sc.next();
//        System.out.println("请输入年龄：");
//        int age = sc.nextInt();
//        String sql = "INSERT INTO userinfo(username,password,nickname,age) VALUES ('"+username+"','"+password+"','"+nickname+"',"+age+");";
//        int i =statement.executeUpdate(sql);
//        statement.close();
//        connection.close();
        double height = 1.7;
        double weight=70;
        float bmi = (float)(weight/height/height);
        System.out.print(bmi);
    }
}
